SELECTED QUARTERLY FINANCIAL DATA (unaudited) (Tables)

12 Months Ended

Dec. 31, 2016

Quarterly Financial Information Disclosure [Abstract]

The following table contains quarterly financial information for fiscal years 2016 and 2015. The operating results for any quarter are not necessarily indicative of future period results.



	First Quarter		Second Quarter		Third Quarter		Fourth Quarter

Fiscal Year 2016	(in thousands, except per share amounts)
Total revenue	$	354,868	$	434,055	$	425,720	$	466,789
Gross profit⁽¹⁾	140,768		169,747		156,270		179,881
Operating income	51,472		58,061		58,795		69,091
Net income attributable to common shareholders	37,143		35,207		37,735		44,680
Earnings (loss) per common share
Basic:
Continuing operations attributable to common shareholders	$	0.80	$	0.75	$	0.79	$	0.95
Discontinued operations	$	—	$	—	$	0.01	$	—
Net income attributable to common shareholders	$	0.80	$	0.75	$	0.80	$	0.95
Diluted:
Continuing operations attributable to common shareholders	$	0.78	$	0.73	$	0.78	$	0.93
Discontinued operations	$	—	$	—	$	0.01	$	—
Net income attributable to common shareholders	$	0.78	$	0.73	$	0.79	$	0.93
Fiscal Year 2015
Total revenue	$	320,414	$	339,573	$	349,465	$	353,850
Gross profit⁽¹⁾	119,660		132,783		138,075		140,574
Operating income	43,005		55,735		55,440		52,269
Net income attributable to common shareholders	31,541		48,509		37,379		31,884
Earnings (loss) per common share
Basic:
Continuing operations attributable to common shareholders	$	0.67	$	1.04	$	0.81	$	0.71
Discontinued operations	$	—	$	—	$	—	$	(0.02	)
Net income attributable to common shareholders	$	0.67	$	1.04	$	0.81	$	0.69
Diluted:
Continuing operations attributable to common shareholders	$	0.66	$	1.02	$	0.79	$	0.69
Discontinued operations	$	—	$	—	$	—	$	(0.02	)
Net income attributable to common shareholders	$	0.66	$	1.02	$	0.79	$	0.67
⁽¹⁾Gross profit is calculated as total revenues minus cost of revenue (excluding amortization of intangible assets).